Add profile avatar uploads

app/Actions/Fortify/CreateNewUser.php

@@ -2,6 +2,7 @@
 
 namespace App\Actions\Fortify;
 
+use App\Actions\Users\UpdateUserAvatar;
 use App\Concerns\PasswordValidationRules;
 use App\Concerns\ProfileValidationRules;
 use App\Models\User;
@@ -12,6 +13,10 @@ class CreateNewUser implements CreatesNewUsers
 {
     use PasswordValidationRules, ProfileValidationRules;
 
+    public function __construct(
+        private readonly UpdateUserAvatar $avatars,
+    ) {}
+
     /**
      * Validate and create a newly registered user.
      *
@@ -24,10 +29,12 @@ class CreateNewUser implements CreatesNewUsers
             'password' => $this->passwordRules(),
         ])->validate();
 
-        return User::create([
+        $user = User::create([
             'name' => $input['name'],
             'email' => $input['email'],
             'password' => $input['password'],
         ]);
+
+        return $this->avatars->generate($user);
     }
 }

app/Actions/Users/UpdateUserAvatar.php

@@ -0,0 +1,121 @@
+<?php
+
+namespace App\Actions\Users;
+
+use App\Models\User;
+use Illuminate\Http\UploadedFile;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Support\Str;
+use RuntimeException;
+
+class UpdateUserAvatar
+{
+    /**
+     * @var list<string>
+     */
+    private const COLORS = [
+        '#F97316',
+        '#22C55E',
+        '#06B6D4',
+        '#EC4899',
+        '#8B5CF6',
+        '#EAB308',
+        '#EF4444',
+        '#14B8A6',
+    ];
+
+    public function generate(User $user): User
+    {
+        $oldPath = $user->avatar_path;
+        $color = $this->colorFor($user);
+        $path = sprintf('avatars/generated/%d-%s.svg', $user->id, (string) Str::uuid());
+
+        $stored = Storage::disk('public')->put(
+            $path,
+            $this->svg($this->initials($user->name), $color),
+        );
+
+        if (! $stored) {
+            throw new RuntimeException('Generated avatar could not be stored.');
+        }
+
+        $user->forceFill([
+            'avatar_path' => $path,
+            'avatar_color' => $color,
+            'avatar_is_generated' => true,
+        ])->saveQuietly();
+
+        $this->deletePath($oldPath);
+
+        return $user->refresh();
+    }
+
+    public function upload(User $user, UploadedFile $avatar): User
+    {
+        $oldPath = $user->avatar_path;
+        $path = $avatar->store('avatars/uploads', 'public');
+
+        if (! is_string($path)) {
+            throw new RuntimeException('Uploaded avatar could not be stored.');
+        }
+
+        $user->forceFill([
+            'avatar_path' => $path,
+            'avatar_color' => $this->colorFor($user),
+            'avatar_is_generated' => false,
+        ])->saveQuietly();
+
+        $this->deletePath($oldPath);
+
+        return $user->refresh();
+    }
+
+    public function delete(User $user): void
+    {
+        $this->deletePath($user->avatar_path);
+    }
+
+    private function colorFor(User $user): string
+    {
+        if (is_string($user->avatar_color) && in_array($user->avatar_color, self::COLORS, true)) {
+            return $user->avatar_color;
+        }
+
+        return self::COLORS[random_int(0, count(self::COLORS) - 1)];
+    }
+
+    private function deletePath(?string $path): void
+    {
+        if (blank($path)) {
+            return;
+        }
+
+        Storage::disk('public')->delete($path);
+    }
+
+    private function initials(string $name): string
+    {
+        $parts = preg_split('/\s+/u', trim($name)) ?: [];
+
+        if ($parts === []) {
+            return '?';
+        }
+
+        $first = mb_substr($parts[0], 0, 1);
+        $last = count($parts) > 1 ? mb_substr($parts[count($parts) - 1], 0, 1) : '';
+
+        return mb_strtoupper($first.$last);
+    }
+
+    private function svg(string $initials, string $color): string
+    {
+        $escapedInitials = htmlspecialchars($initials, ENT_QUOTES | ENT_XML1, 'UTF-8');
+
+        return <<<SVG
+<svg xmlns="http://www.w3.org/2000/svg" width="192" height="192" viewBox="0 0 192 192" role="img" aria-label="Profile avatar">
+  <rect width="192" height="192" rx="42" fill="{$color}"/>
+  <text x="50%" y="52%" dominant-baseline="middle" text-anchor="middle" fill="#ffffff" font-family="Inter, ui-sans-serif, system-ui, sans-serif" font-size="72" font-weight="700">{$escapedInitials}</text>
+</svg>
+SVG;
+    }
+}